--- freem/src/mref.c	2025/03/09 19:50:47	1.4
+++ freem/src/mref.c	2025/04/09 15:16:50	1.6
@@ -1,5 +1,5 @@
 /*
- *   $Id: mref.c,v 1.4 2025/03/09 19:50:47 snw Exp $
+ *   $Id: mref.c,v 1.6 2025/04/09 15:16:50 snw Exp $
  *    supporting functions for handling freem_ref_t structures
  *
  *  
@@ -24,6 +24,12 @@
  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
  *
  *   $Log: mref.c,v $
+ *   Revision 1.6  2025/04/09 15:16:50  snw
+ *   Fix buffer overruns in mref_to_external and ssvn.c
+ *
+ *   Revision 1.5  2025/03/22 18:43:54  snw
+ *   Make STRLEN 255 chars and add BIGSTR macro for larger buffers
+ *
  *   Revision 1.4  2025/03/09 19:50:47  snw
  *   Second phase of REUSE compliance and header reformat
  *
@@ -162,7 +168,7 @@ freem_ref_t *internal_to_mref (freem_ref
         ref->reftype = MREF_RT_LOCAL;
     }
 
-    strncpy (ref->name, nam, 256);
+    strncpy (ref->name, nam, STRLEN);
 
     /* if no subscripts, return the ref */
     if (*(ptr - 1) == EOL) {
@@ -265,7 +271,7 @@ void mref_to_external (freem_ref_t *ref,
             }
 
         }
-        stcnv_m2c (buf);
+        stncnv_m2c (buf, STRLEN);
 
         strcat (buf, ")");